<!DOCTYPE html>
<html>
<head>
    <meta charset='UTF-8'>
    <title>Document</title>
</head>
<body>
<div id="app">
    {{ msg }}
    <hr>
    <input type="text" v-model='msg'>
</div>
</body>
<script src="../vue.js"></script>
<script>
const rw = new Vue({
    el:"#app",
    data:{
        msg:"这是实例里面的数据，将它跟input数据进行绑定"
    }
})
</script>
</html>